Aaron Dobson has a sprained foot

Patriots receiver Aaron Dobson will miss Sunday’s game at Houston.  Officially, he has a foot injury.  Unofficially, it’s a sprained foot. According to Nick Underhill of MassLive.com, the sprain happened Sunday night against the Broncos.  Though some foot sprains can caught extended absences, Underhill says the Patriots are being cautious with Dobson’s injury. The second-round…